Publications by authors named "Toshio Yagi"

Introduction: Although there are few descriptions in textbooks and it is stated that the treatment of metaphyseal-diaphyseal junctional (MDJ) fracture is difficult, there is almost no detailed description on its treatment methods and precautions.

Case Presentation: We encountered two patients, 9-year-old and 1-year and 11-month-old Japanese boys, with MDJ fractures of the distal humerus, which are very rare in children. Unlike supracondylar fractures of the distal humerus, the fractures were spiral fractures, which made percutaneous pinning very difficult.

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Background: Controlling Nutritional Status (CONUT) score is calculated using laboratory values, including serum albumin, total cholesterol concentration, and total lymphocyte count; it is reportedly valuable for making nutritional assessments. One advantage of CONUT score over other nutritional assessments is that it can be calculated retrospectively using only objective laboratory values. Studies demonstrated that CONUT score was a useful tool for predicting prognosis and complications in various surgical conditions.

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Background: Gnathodiaphyseal dysplasia (GDD) is an extremely rare autosomal dominant disease characterized by cemento-osseous lesions in the jawbones, bone fragility, and diaphyseal sclerosis of the tubular bones. Patients with GDD are prone to sustain fractures by minor accidents. Although over 80 cases have been reported, detailed information about the orthopedic treatment of the fractures is limited.

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Article Synopsis
  • - The Frag-Loc (FL) compression screw system was created to stabilize specific fractures in the wrist, particularly those involving displaced die-punch fragments in distal radius fractures.
  • - A study compared the biomechanical performance of the FL system with traditional locking screws (LS) using cadaver specimens, focusing on parameters like stiffness and displacement under axial loading.
  • - Results indicated no significant differences in ultimate strength or stiffness between the two systems; however, the FL system showed reduced fragment displacement, proving it effective for treating these types of fractures.
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